Difference between revisions of "Saururus"

Latest revision as of 21:51, 5 November 2020

Stems simple or branched, nodes more than 2. Leaves cauline. Inflorescences opposite leaves and/or terminal, racemes, lax, spikelike, not subtended by petaloid bracts. Flowers 175-350, not coalescent; stamens (3-)6(-8), hypogynous or epigynous; pistil 1, (3-)4-5(-7)-carpellate, connate only at base; placentation marginal; ovules 2 per placenta (only 1 developing into seed). Fruits schizocarps; mericarps dry, indehiscent. Seed 1 per mericarp. x = 11.

Distribution

e North America, e Asia.

Discussion

Species 2 (1 in the flora).

Selected References

Baldwin, J. T. and B. M. Speese. 1949. Cytogeography of Saururus cernuus. Bull. Torrey Bot. Club 76: 213-216.

Hall, T. F. 1940. The biology of Saururus cernuus L. Amer. Midl. Naturalist 24: 253-260.

Holm, T. 1926. Saururus cernuus L. A morphological study. Amer. J. Sci., ser. 5, 12: 162-168.

Johnson, D. S. 1900. On the development of Saururus cernuus L. Bull. Torrey Bot. Club 27: 365-372.

Tucker, S. C. 1975. Floral development in Saururus cernuus (Saururaceae). 1. Floral initiation and stamen development. Amer. J. Bot. 62: 993-1007.

Tucker, S. C. 1976. Floral development in Saururus cernuus (Saururaceae). 2. Carpel initiation and floral vasculature. Amer. J. Bot. 63: 289-301.

Tucker, S. C. 1979. Ontogeny of the inflorescence of Saururus cernuus (Saururaceae). Amer. J. Bot. 66: 227-236.

Lower Taxa

Saururus cernuus

@@ Line 5: / Line 5: @@
 |title=Sp. Pl.
 |place=1: 341. 175
-}}{{Treatment/Publication
+}}, {{Treatment/Publication
 |title=Gen. Pl. ed.
 |place=5, 159. 1754
@@ Line 21: / Line 21: @@
 }}<!--
---><span class="statement" id="st-d0_s0" data-properties="stem architecture;stem architecture;node quantity"><b>Stems </b>simple or branched, nodes more than 2.</span> <span class="statement" id="st-d0_s1" data-properties="leaf position"><b>Leaves </b>cauline.</span> <span class="statement" id="st-d0_s2" data-properties="leaf arrangement;leaf position or structure subtype;raceme architecture or arrangement;raceme arrangement;beak architecture"><b>Inflorescences </b>opposite leaves and/or terminal, racemes, lax, spikelike, not subtended by petaloid bracts.</span> <span class="statement" id="st-d0_s3" data-properties="flower quantity;flower fusion"><b>Flowers </b>175-350, not coalescent;</span> <span class="statement" id="st-d0_s4" data-properties="stamen atypical quantity;stamen atypical quantity;stamen quantity;stamen position;stamen position">stamens (3-) 6 (-8), hypogynous or epigynous;</span> <span class="statement" id="st-d0_s5" data-properties="">pistil 1, (3-) 4-5 (-7) -carpellate, connate only at base;</span> <span class="statement" id="st-d0_s6" data-properties="pistil quantity;pistil architecture;pistil fusion;pistil placentation">placentation marginal;</span> <span class="statement" id="st-d0_s7" data-properties="ovule quantity">ovules 2 per placenta (only 1 developing into seed).</span> <span class="statement" id="st-d0_s8" data-properties=""><b>Fruits </b>schizocarps;</span> <span class="statement" id="st-d0_s9" data-properties="mericarp condition or texture;mericarp dehiscence">mericarps dry, indehiscent.</span> <span class="statement" id="st-d0_s10" data-properties=""><b>Seed </b>1 per mericarp.</span> <span class="statement" id="st-d0_s11" data-properties="seed quantity;x chromosome quantity">x = 11.</span><!--
+--><span class="statement" id="st-undefined" data-properties=""><b>Stems </b>simple or branched, nodes more than 2. <b>Leaves</b> cauline. <b>Inflorescences</b> opposite leaves and/or terminal, racemes, lax, spikelike, not subtended by petaloid bracts. <b>Flowers</b> 175-350, not coalescent; stamens (3-)6(-8), hypogynous or epigynous; pistil 1, (3-)4-5(-7)-carpellate, connate only at base; placentation marginal; ovules 2 per placenta (only 1 developing into seed). <b>Fruits</b> schizocarps; mericarps dry, indehiscent. <b>Seed</b> 1 per mericarp. <b>x</b> = 11.</span><!--
 -->{{Treatment/Body
-|distribution=e North America;e Asia
+|distribution=e North America;e Asia.
 |discussion=<p>Species 2 (1 in the flora).</p>
 |tables=
@@ Line 55: / Line 55: @@
 -->{{#Taxon:
 name=Saururus
-|author=
 |authority=Linnaeus
 |rank=genus
@@ Line 62: / Line 61: @@
 |basionyms=
 |family=Saururaceae
-|distribution=e North America;e Asia
+|distribution=e North America;e Asia.
 |reference=baldwin1949a;hall1940a;holm1926a;johnson1900a;tucker1975b;tucker1976a;tucker1979a
 |publication title=Sp. Pl.;Gen. Pl. ed.
 |publication year=;1754
 |special status=
-|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V3/V3_780.xml
+|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V3/V3_780.xml
 |genus=Saururus
-|beak architecture=petaloid
-|flower fusion=not coalescent
-|flower quantity=175;350
-|leaf arrangement=opposite
-|leaf position=cauline
-|leaf position or structure subtype=terminal
-|mericarp condition or texture=dry
-|mericarp dehiscence=indehiscent
-|ovule quantity=2
-|pistil architecture=(3-)4-5(-7)-carpellate
-|pistil fusion=connate
-|pistil placentation=marginal
-|pistil quantity=1
-|raceme architecture or arrangement=lax
-|raceme arrangement=spike-like
-|seed quantity=1
-|stamen atypical quantity=6;8
-|stamen position=epigynous;hypogynous
-|stamen quantity=6
-|stem architecture=branched;simple
-|x chromosome quantity=11
 }}<!--
 -->[[Category:Treatment]][[Category:Saururaceae]]